Re: [PATCH] drm/amd/pm: remove unused num_of_active_display variable

From: Alex Deucher
Date: Tue Apr 11 2023 - 10:46:42 EST


Applied. Thanks!

On Sun, Apr 9, 2023 at 8:48 PM Quan, Evan <Evan.Quan@xxxxxxx> wrote:
>
> [AMD Official Use Only - General]
>
> Reviewed-by: Evan Quan <evan.quan@xxxxxxx>
>
> > -----Original Message-----
> > From: Tom Rix <trix@xxxxxxxxxx>
> > Sent: Saturday, April 1, 2023 12:41 AM
> > To: Quan, Evan <Evan.Quan@xxxxxxx>; Deucher, Alexander
> > <Alexander.Deucher@xxxxxxx>; Koenig, Christian
> > <Christian.Koenig@xxxxxxx>; Pan, Xinhui <Xinhui.Pan@xxxxxxx>;
> > airlied@xxxxxxxxx; daniel@xxxxxxxx; nathan@xxxxxxxxxx;
> > ndesaulniers@xxxxxxxxxx; Zhang, Hawking <Hawking.Zhang@xxxxxxx>;
> > Feng, Kenneth <Kenneth.Feng@xxxxxxx>; Lazar, Lijo
> > <Lijo.Lazar@xxxxxxx>; Wang, Yang(Kevin) <KevinYang.Wang@xxxxxxx>;
> > Huang, Tim <Tim.Huang@xxxxxxx>; andrealmeid@xxxxxxxxxx; Liu, Kun
> > <Kun.Liu2@xxxxxxx>; Limonciello, Mario <Mario.Limonciello@xxxxxxx>
> > Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-
> > kernel@xxxxxxxxxxxxxxx; llvm@xxxxxxxxxxxxxxx; Tom Rix <trix@xxxxxxxxxx>
> > Subject: [PATCH] drm/amd/pm: remove unused num_of_active_display
> > variable
> >
> > clang with W=1 reports
> > drivers/gpu/drm/amd/amdgpu/../pm/swsmu/amdgpu_smu.c:1700:6: error:
> > variable
> > 'num_of_active_display' set but not used [-Werror,-Wunused-but-set-
> > variable]
> > int num_of_active_display = 0;
> > ^
> > This variable is not used so remove it.
> >
> > Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
> > ---
> > drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 7 -------
> > 1 file changed, 7 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> > b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> > index b5d64749990e..f93f7a9ed631 100644
> > --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> > +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> > @@ -1696,8 +1696,6 @@ static int smu_display_configuration_change(void
> > *handle,
> > const struct
> > amd_pp_display_configuration *display_config) {
> > struct smu_context *smu = handle;
> > - int index = 0;
> > - int num_of_active_display = 0;
> >
> > if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
> > return -EOPNOTSUPP;
> > @@ -1708,11 +1706,6 @@ static int smu_display_configuration_change(void
> > *handle,
> > smu_set_min_dcef_deep_sleep(smu,
> > display_config-
> > >min_dcef_deep_sleep_set_clk / 100);
> >
> > - for (index = 0; index < display_config-
> > >num_path_including_non_display; index++) {
> > - if (display_config->displays[index].controller_id != 0)
> > - num_of_active_display++;
> > - }
> > -
> > return 0;
> > }
> >
> > --
> > 2.27.0